Sirt, short for sirtuin, refers to a family of proteins that play a crucial role in regulating cellular processes, including aging, metabolism, and stress resistance. These proteins are involved in deacetylation, a process that modifies other proteins and influences their function. Sirtuins are found in various organisms, from bacteria to humans, and are linked to longevity and health. Research has shown that sirtuins can be activated by certain compounds, such as resveratrol, which is found in red wine. This activation may help improve metabolic health and protect against age-related diseases. Scientists continue to study the potential benefits of sirtuins in promoting overall well-being.